1927 (MCMXXVII) was a common year starting on Saturday of the Gregorian calendar, the 1927th year of the Common Era (CE) and Anno Domini (AD) designations, the 927th year of the 2nd millennium, the 27th year of the 20th century, and the 8th year of the 1920s decade.
|Ab urbe condita||2680|
|Balinese saka calendar||1848–1849|
|British Regnal year||17 Geo. 5 – 18 Geo. 5|
|Chinese calendar||丙寅年 (Fire Tiger)|
4623 or 4563
— to —
丁卯年 (Fire Rabbit)
4624 or 4564
|- Vikram Samvat||1983–1984|
|- Shaka Samvat||1848–1849|
|- Kali Yuga||5027–5028|
|Japanese calendar||Shōwa 2|
|Julian calendar||Gregorian minus 13 days|
|Minguo calendar||ROC 16|
|Thai solar calendar||2469–2470|
2053 or 1672 or 900
— to —
2054 or 1673 or 901
|Wikimedia Commons has media related to 1927.|
- January 1
- The Cristero War erupts in Mexico, when Catholic rebels attack the government, which had placed heavy restrictions on the Catholic Church.
- The British Broadcasting Company becomes the British Broadcasting Corporation, when it is granted a Royal Charter of incorporation. John Reith becomes the first Director-General.
- January 7
- January 9
- January 10 – Fritz Lang's futuristic film Metropolis is released in Germany.
- January 11 – Louis B. Mayer, head of film studio Metro-Goldwyn-Mayer (MGM), announces the creation of the Academy of Motion Picture Arts and Sciences, at a banquet in Los Angeles, California.
- January 15 – Teddy Wakelam gives the first sports commentary on BBC Radio.
- January 19 – Great Britain sends troops to China, to protect foreign nationals from spreading anti-foreign riots in central China.
- January 24 – U.S. Marines invade Nicaragua by orders of President Calvin Coolidge, intervening in the Nicaraguan Civil War, and remaining in the country until 1933.
- January 30 – Right-wing veterans and the Republikanischer Schutzbund clash in Schattendorf, Austria, with two fatalities resulting (see also July 15).
- February – Werner Heisenberg formulates his famous uncertainty principle, while employed as a lecturer at Niels Bohr's Institute for Theoretical Physics, at the University of Copenhagen.
- February 12 – The first British troops land in Shanghai.
- February 14 – A magnitude 6.1 earthquake, with a maximum MSK intensity of VII–VIII (Very strong – Damaging), kills 50 in Yugoslavia.
- February 19
- February 23 – The U.S. Federal Radio Commission (later renamed the Federal Communications Commission) begins to regulate the use of radio frequencies.
- March 4 – A diamond rush in South Africa includes trained athletes, who have been hired by major companies to stake claims.
- March 6 – In Britain, 1,000 people a week die from an influenza epidemic.
- March 7 – 1927 Kita Tango earthquake: A 7.0 Mw earthquake kills at least 2,925 in the Toyooka and Mineyama areas of western Honshu, in Japan.
- March 10 – Albania mobilizes in case of an attack by Yugoslavia.
- March 11
- March 24 – Nanking Incident: After six foreigners have been killed in Nanking, and it appears that Kuomintang and Communist Party of China forces will overrun the foreign consulates, warships of the U.S. Navy and the British Royal Navy fire shells and shot to disperse the crowds.
- March 29 – Henry Segrave breaks the land speed record, driving the Sunbeam 1000 hp at Daytona Beach, Florida.
- April 1 – The U.S. Bureau of Prohibition is founded (under the Department of the Treasury).
- April 5 – In Britain, the Trade Disputes and Trade Unions Act 1927 forbids strikes of support.
- April 7 – Bell Telephone Co. transmits an image of Herbert Hoover (then the Secretary of Commerce), which becomes the first successful long distance demonstration of television.
- April 12
- The Royal and Parliamentary Titles Act 1927 renames the United Kingdom of Great Britain and Ireland as the United Kingdom of Great Britain and Northern Ireland. The change acknowledges that the Irish Free State is no longer part of the Kingdom.
- April 12 Incident (Shanghai Massacre): Kuomintang troops kill a number of communist-supporting workers in Shanghai. The 1st United Front between the Nationalists and Communist ends, and the Civil War lasting until 1949 begins.
- April 14 – The first Volvo automobile rolls off the production line in Gothenburg, Sweden.
- April 18 – The Kuomintang (Nationalist Chinese) set up a government in Nanking, China.
- April 21 – A banking crisis hits Japan.
- April 22–May 5 – The Great Mississippi Flood of 1927 strikes 700,000 people, in the greatest natural disaster in American history through this time.
- April 23 – Cardiff City wins the FA Cup, beating Arsenal 1-0; as of 2017, this remains the only time a team from outside England has won the competition.
- April 27
- May – Philo Farnsworth of the United States transmits his first experimental electronic television motion pictures, as opposed to the electromechanical TV systems that others have used before.
- May 9 – The Australian Parliament convenes for the first time in Canberra, Australian Capital Territory. Previously, the Parliament had met in Melbourne, Victoria.
- May 11 – The Academy of Motion Picture Arts and Sciences, the "Academy" in "Academy Awards", is founded.
- May 12 – British police officers raid the office of the Soviet trade delegation in London.
- May 13 – King George V proclaims the change of his title, from King of the United Kingdom of Great Britain and Ireland to King of Great Britain and Northern Ireland.
- May 17 – U.S. Army aviation pioneer Major Harold Geiger dies in the crash of his Airco DH.4 airplane, at Olmsted Field, Pennsylvania.
- May 18 – Bath School disaster: A series of violent attacks results in 45 deaths, mostly of school children, in Bath Township, Michigan.
- May 20 – By the Treaty of Jeddah, the United Kingdom recognizes the sovereignty of Ibn Saud over the Kingdom of Hejaz and Nejd, the future Saudi Arabia.
- May 20–21– Charles Lindbergh makes the first solo, nonstop transatlantic airplane flight, from New York City to Paris, France, in his single-engined aircraft, the Spirit of St. Louis.
- May 22 – The 7.6 Mw Gulang earthquake affects Gansu in northwest China with a maximum Mercalli intensity of XI (Extreme), leaving over 40,000 dead.
- May 23 – Nearly 600 members of the American Institute of Electrical Engineers and the Institute of Radio Engineers view a live demonstration of television at the Bell Telephone Building in New York City, just over a year after John Logie Baird of Scotland had first demonstrated an electromechanical television system to the members of the Royal Society in London.
- May 24 – The United Kingdom cuts its diplomatic relations with the Soviet Union, due to revelations of espionage and underground agitation.
- June – The volcanic island of Anak Krakatau begins to form in the Sunda Strait of Indonesia.
- June 4 – Yugoslavia severs diplomatic relations with Albania.
- June 4–6–; Clarence Chamberlin and Charles Albert Levine take off from Roosevelt Field, New York, and fly to Eisleben, Germany, in the Wright-Bellanca WB-2 Columbia aircraft Miss Columbia, two weeks after Charles Lindbergh's historic solo flight.
- June 7 – Pyotr Voykov, the Soviet ambassador to Poland, is murdered.
- June 9 – The Soviet Union executes 20 for alleged espionage.
- June 13
- June 28 – Spanish airline Iberia is established.
- June 29 – Solar eclipse of June 29, 1927: A total eclipse of the sun takes place over Wales, northern England, southern Scotland, Norway, northern Sweden, northmost Finland, and the northmost extremes of Russia.
- June 29–July 1– Commander Richard E. Byrd, Bernt Balchen, George Noville, and Bert Acosta take off from Roosevelt Field, New York, in the Fokker Trimotor airplane America, and cross the Atlantic to the coast of France, having to ditch there because of bad weather; all four men survive the emergency landing.
- July 1 – The Food, Drug, and Insecticide Administration (FDIA) is established as a United States federal agency.
- July 10 – Kevin O'Higgins, Vice-President of the Executive Council of the Irish Free State and Minister for Justice, is assassinated by the anti-Treaty Irish Republican Army in Dublin.
- July 11 – The 1927 Jericho earthquake strikes Palestine, killing around 300 people. The effects are especially severe in Nablus, but damage and fatalities are also reported in many areas of Palestine and Transjordan, such as Amman, Salt, Jordan, and Lydda.
- July 13 (Wednesday, Tamuz 13, 5687): 12:30 – Rebbe Yosef Yitzchak Schneersohn is freed from the imprisonment which began on June 15 (Wednesday, Sivan 15, 5687) at 02:15 in exile, in the Russian town of Kostroma.
- July 15 – July Revolt of 1927: After police in Vienna fire on an angry crowd, 85 protesters (mostly members of the Social Democratic Party of Austria) and 5 policemen are left dead; more than 600 people are injured.
- July 24 – The Menin Gate is dedicated as a war memorial at Ypres, Belgium.
- August 1 – The Communist Chinese People's Liberation Army is formed, during the Nanchang Uprising.
- August 2
- August 7 – The Peace Bridge opens between Fort Erie, Ontario and Buffalo, New York.
- August 10 – The Mount Rushmore Park is rededicated. President Calvin Coolidge promises national funding for the proposed carving of the presidential figures.
- August 22 – 200 people demonstrate in Hyde Park, London, against the death sentencing of Italian immigrant anarchists Sacco and Vanzetti.
- August 23 – Sacco and Vanzetti are executed.
- August 24 – August 25 – The Hurricane hits the Atlantic Provinces of Canada, causing massive damage and at least 56 deaths.
- August 26 – Paul R. Redfern leaves Brunswick, Georgia, flying his Stinson Detroiter "Port of Brunswick", to attempt a solo nonstop flight to Rio de Janeiro, Brazil. He later crashes in the Venezuelan jungle, but the crash site is never found.
- September – The Autumn Harvest Uprising occurs in China.
- September 7
- September 18 – The Columbia Phonographic Broadcasting System (later known as CBS) is formed, and goes on the air with 47 radio stations.
- September 25 – A treaty signed by the League of Nations Slavery Commission abolishes all types of slavery.
- September 27 – The East St. Louis Tornado kills 79 and injures 550, the 2nd costliest and at least 24th deadliest tornado in U.S. history.
- October – The Fifth Solvay Conference, held in the latter half of the month, establishes the acceptance of the Copenhagen interpretation.
- October 4 – Carving of the sculptures at Mount Rushmore, South Dakota begins.
- October 6 – The Jazz Singer, starring Al Jolson, premieres at the Warner Theater in New York City. Although not the first sound film, and containing very little recorded speech, it is the first to become a box-office hit, popularizing "talkies" (although silent films continue to be made for some time).
- October 8 – The "Murderers' Row" team of the New York Yankees complete a four-game sweep of the Pittsburgh Pirates in the World Series baseball championship in the United States.
- October 9 – The Mexican government crushes a rebellion in Veracruz.
- October 18 – The first flight of Pan American Airways takes off from Key West, Florida, bound for Havana, Cuba.
- October 25 – The Italian ocean liner Principessa Mafalda capsizes off Porto Seguro, Brazil; at least 314 people are killed.
- October 27
- Queen Wilhelmina of the Netherlands opens the Meuse-Waal Canal in Nijmegen, Holland.
- At 5:50 a.m. a ground fault gives way, causing the mine and part of the town of Worthington to collapse into a large chasm located in Ontario. Nobody is injured in the incident, as the area has been evacuated the night before after a mine foreman noticed abnormal rock shifts in the mine.
- November 1 – İsmet İnönü forms a new government in Turkey (the 5th government).
- November 3–4 – Floods devastating Vermont cause the "worst natural disaster in the state's history".
- November 4 – Frank Heath and his horse Gypsy Queen return to Washington, D.C., having completed a two-year journey of 11,356 miles to all 48 of the states (of this time).
- November 12
- Mahatma Gandhi makes his first and last visit to Ceylon.
- Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin with undisputed control of the Soviet Union.
- The Holland Tunnel opens to traffic, as the first vehicular tunnel under the Hudson River, linking New Jersey with New York City.
- November 14 – Pittsburgh gasometer explosion: Three Equitable Gas storage tanks in the North Side of Pittsburgh explode, killing 26 people and causing damage estimated between $4.0 million and $5.0 million.
- November 21 – The Colorado state police open fire on 500 rowdy but unarmed miners during a strike, killing 6.
- December – The Communist Party Congress condemns all deviation from the general party line in the USSR.
- December 1 – Chiang Kai-shek marries Soong Mei-ling in Shanghai.
- December 2 – Following 19 years of Ford Model T production, the Ford Motor Company unveils the Ford Model A as its new automobile.
- December 3 – Putting Pants on Philip, the first Laurel and Hardy film, is released.
- December 14 – Iraq gains independence from the United Kingdom.
- December 15 – Marion Parker, 12, is kidnapped in Los Angeles. Her dismembered body is found on December 19, prompting the largest manhunt to date on the West Coast for her killer, William Edward Hickman, who is arrested on December 22 in Oregon.
- December 17 – United States Navy submarine S-4 is accidentally rammed and sunk by United States Coast Guard cutter John Paulding off Provincetown, Massachusetts, killing everyone aboard despite several unsuccessful attempts to raise the submarine.
- December 19 – Three members of the revolutionary movement for Indian independence – Pandit Ram Prasad Bismil, Thakur Roshan Singh and Ashfaqulla Khan – are executed by the British Raj. Rajendra Nath Lahiri has been executed two days before.
- December 20 – Letalski center Maribor is established in Maribor; it will be the oldest surviving operating major flying club in the Balkans.
- December 27 – Kern and Hammerstein's musical play, Show Boat, based on Edna Ferber's novel, opens on Broadway and then goes on to become the first great classic of the American musical theater.
- December 30 – The first Asian commuter metro line, the Tokyo Metro Ginza Line, opens in Japan.
- January 1
- January 2 – Robert Alt, Swiss bobsledder (d. 2017)
- January 4 – Barbara Rush, American actress
- January 5 – Satguru Sivaya Subramuniyaswami, American-born Hindu guru (d. 2001)
- January 8 – Tim Flood, Irish hurler (d. 2014)
- January 10
- January 13
- January 15 – Kirti Nidhi Bista, Nepali politician (d. 2017)
- January 17
- January 20
- January 23
- January 24
- January 25
- January 26 – José Azcona del Hoyo, 26th President of Honduras (d. 2005)
- January 27 – Bob DeMoss, American football player (d. 2017)
- January 28
- January 29
- January 30
- February 1 – Galway Kinnell, American poet (d. 2014)
- February 2
- February 3
- February 4
- February 7 – Juliette Gréco, French singer, actress
- February 8 – George Taliaferro, American football player (d. 2018)
- February 10
- February 11
- February 12 – Rita Meyer, American female professional baseball player (d. 1992)
- February 13 – Buck Hill, American jazz tenor, soprano saxophonist (d. 2017)
- February 15
- February 16 – June Brown, British actress
- February 17 – John Selfridge, American mathematician (d. 2010)
- February 18 – John Warner, American politician
- February 20
- February 21
- February 22 – Emil Bobu, Romanian Communist activist, politician (d. 2014)
- February 23
- February 24
- February 25
- February 26 – Tom Kennedy, American game show host
- March 1
- March 2 – Roger Walkowiak, French road bicycle racer (d. 2017)
- March 3
- March 4
- March 5
- March 6
- March 7 – James Broderick, American actor (d. 1982)
- March 8
- March 9
- March 10
- March 11
- March 12 – Raúl Alfonsín, former President of Argentina (d. 2009)
- March 13
- March 15
- March 16
- March 17
- March 18 – George Plimpton, American writer, actor (d. 2003)
- March 20
- March 21 – Hans-Dietrich Genscher, German politician (d. 2016)
- March 23 – Mato Damjanović, Croatian chess grandmaster (d. 2011)
- March 24 – Martin Walser, German author
- March 25
- March 26
- March 27
- March 29 – John Vane, British pharmacologist, Nobel Prize laureate (d. 2004)
- March 30 – Robert Armstrong, Baron Armstrong of Ilminster, English politician, civil servant
- March 31
- April 1
- April 2
- April 3
- April 4
- April 5
- April 6
- April 8 – Tilly Armstrong (alias Tania Langley and Kate Alexander), British writer (d. 2010)
- April 10 – Marshall Warren Nirenberg, American scientist, Nobel Prize laureate (d. 2010)
- April 11 – Abd al-Majid al-Rafei, Lebanese politician (d. 2017)
- April 14 – Alan MacDiarmid, New Zealand chemist, Nobel Prize laureate (d. 2007)
- April 15 – Robert Mills, American physicist (d. 1999)
- April 16
- April 17
- April 18
- April 20
- April 21 – Daniel McKinnon, American ice hockey player (d. 2017)
- April 24 – Josy Barthel, Luxembourgish athlete (d. 1992)
- April 25
- April 26
- April 27
- April 29
- April 30
- May 1
- May 2 – Michael Broadbent, English wine critic, writer
- May 3 – Jean-Paul Martin-du-Gard, French runner (d. 2017)
- May 4
- May 5 – Pat Carroll, American actress
- May 6 – Ettore Manni, Italian actor (d. 1979)
- May 8 – Josefina Samper, Spanish syndicalist, feminist (d. 2018)
- May 9
- May 10 – Nayantara Sahgal, Indian author
- May 11
- May 13
- May 14
- May 17 – Marilyn Hall, Canadian-born American television producer (d. 2017)
- May 18 – Sir Richard Body, English politician (d. 2018)
- May 20 – Bud Grant, Canadian and American football coach
- May 21 – Chuck Stewart, American photographer (d. 2017)
- May 22
- May 23 – Dieter Hildebrandt, German comedian (d. 2013)
- May 25
- May 26
- May 27 – Joseph Banchong Aribarg, Thai Roman Catholic prelate (d. 2012)
- May 28
- May 30
- May 31
- June 3
- June 4 – Geoffrey Palmer, British actor As Time Goes By (UK TV series)
- June 6
- June 8 – Jerry Stiller, American comedian, actor
- June 9 – George Nigh, American politician
- June 10
- June 11 – John W. O'Malley, American Catholic historian, author, and Jesuit priest
- June 12 – Al Fairweather, Scottish jazz musician (d. 1993)
- June 13
- June 15 – Ottó Foky, Hungarian animator (d. 2012)
- June 16 – Ariano Suassuna, Brazilian playwright, author (d. 2014)
- June 17
- June 18
- June 19 – Luciano Benjamín Menéndez, Argentine general (d. 2018)
- June 20 – Bernard Cahier, French photojournalist (d. 2008)
- June 21
- June 22
- June 23
- June 24
- June 25
- June 26 – Ben Turok, South African anti-apartheid activist, professor and politician
- June 27
- June 28
- June 29
- June 30
- July 1
- July 2
- July 3
- July 4
- July 5
- July 6
- July 7
- July 8
- July 9
- July 10
- July 11
- July 12
- July 13
- July 14
- July 15
- Håkon Brusveen, Norwegian cross-country skier
- Ann Jellicoe, British playwright, stage director, and actress (d. 2017)
- Nan Martin, American actress (d. 2010)
- Gloria Pall, American model, showgirl, actress, author, and businesswoman (d. 2012)
- Caerwyn Roderick, British Labour Party politician (d. 2011)
- Ted Slevin, English professional rugby league footballer (d. 1998)
- Carmen Zapata, American actress (d. 2014)
- Leo C. Zeferetti, American politician (d. 2018)
- July 16
- Serge Baudo, French conductor
- Alois Eisenträger, German footballer (d. 2017)
- Derek Hawksworth, English footballer
- Shirley Hughes, English author, illustrator
- Geoffrey Martin, Australian rules footballer
- John Warr, English cricketer (d. 2016)
- Jules Witcover, American journalist, author, and columnist
- July 17
- July 18
- Don Bagley, American jazz bassist (d. 2012)
- Antonio García-Trevijano, Spanish republican, political activist, and author (d. 2018)
- Robert E. Haebel, American major general (d. 2017)
- Jack Harshman, American professional baseball pitcher (d. 2013)
- Keith MacDonald, Canadian politician
- Kurt Masur, German conductor (d. 2015)
- July 19
- July 20
- July 21
- July 22
- July 24 – Robert Boutigny, French Olympic canoeist
- July 26 – Danny La Rue, Irish-born British drag entertainer (d. 2009)
- July 27
- July 28 – John Ashbery, American poet (d. 2017)
- July 30
- August 2 – Fredrik Bull-Hansen, Norwegian military officer (d. 2018)
- August 4
- August 5 – Rolf Wütherich, German automotive engineer, racer (d. 1981)
- August 6
- August 7
- August 8
- August 9
- August 10 – Eivind Eckbo, Norwegian politician, lawyer and farmer (d. 2017)
- August 11
- August 12 – Porter Wagoner, American country singer (d. 2007)
- August 13 – David Padilla, 64th President of Bolivia (d. 2016)
- August 14
- August 15 – Carmela Marie Cristiano, American Roman Catholic nun (d. 2011)
- August 17
- August 18 – Rosalynn Carter, First Lady of the United States
- August 19
- August 21 – Thomas S. Monson, American religious leader (d. 2018)
- August 23
- August 24
- August 25 – Althea Gibson, African-American tennis player (d. 2003)
- August 26
- August 27
- August 29 – A. Ross Eckler Jr., American logologist, statistician and author (d. 2016)
- August 30
- August 31 – Katyna Ranieri, Italian actress, singer (d. 2018)
- September 1 – Bob DiPietro, American baseball player (d. 2012)
- September 2
- September 3 – Br. John Hamman S.M. (d. 2000), close-up magician, inventor, Marianist brother (d. 2000)
- September 4 – Antônio Carlos Magalhães, Brazilian politician (d. 2007)
- September 5 – Paul Volcker, American economist, academic
- September 7
- September 8 – Marguerite Frank, American-French mathematician
- September 10
- September 11
- September 12 – Mathé Altéry, French soprano and actress
- September 13 – Laura Cardoso, Brazilian actress
- September 15
- September 16
- September 17 – George Blanda, American football quarterback, placekicker (d. 2010)
- September 18 – Muriel Turner, Baroness Turner of Camden, British politician (d. 2018)
- September 19
- September 21
- September 22
- September 23
- September 25
- September 27 – Steve Stavro, Canadian businessman, sports team owner (d. 2006)
- September 28
- James W. Symington, American politician
- Alícia Raquel de Videla, former first Lady of Argentina
- September 29
- September 30 – W. S. Merwin, American poet
- October 1
- October 4 – Wolf Kahn, German-American painter
- October 6 – Antony Grey, English gay rights activist (d. 2010)
- October 8 – César Milstein, Argentine scientist, Nobel Prize in Physiology or Medicine recipient (d. 2002)
- October 9 – John Margetson, English scholar and diplomat
- October 10 – Dana Elcar, American actor, director (d. 2005)
- October 11 – Princess Joséphine Charlotte of Belgium, Grand Duchess of Luxembourg (d. 2005)
- October 13
- October 14
- October 15 – Peter Pollen, Canadian politician (d. 2017)
- October 16 – Günter Grass, German writer, Nobel Prize laureate (d. 2015)
- October 18 – George C. Scott, American actor (Patton) (d. 1999)
- October 19 – Pierre Alechinsky, Belgian painter
- October 22 – Oscar Furlong, Argentine basketball player, and tennis player and coach (d. 2018)
- October 23 – Leszek Kołakowski, Polish philosopher (d. 2009)
- October 24
- October 25
- October 27
- October 28
- October 29
- November 1 – Marcel Ophüls, German documentary filmmaker
- November 2
- Steve Ditko, American comic-book writer, artist (d. 2018)
- John Sainsbury, Baron Sainsbury of Preston Candover, English businessman, politician
- November 3
- November 4 – Bobby Breen, Canadian-born American actor, singer (d. 2016)
- November 5
- November 7 – Hiroshi Yamauchi, Japanese businessman, president of Nintendo (d. 2013)
- November 8
- November 10
- November 14
- November 15
- November 16 – Gerry Lowe, English rugby player (d. 2018)
- November 17
- November 18 – Hank Ballard, American musician (d. 2003)
- November 20 – Estelle Parsons, American actress
- November 21
- November 23
- November 24
- November 27
- November 29 – Vin Scully, American baseball broadcaster
- November 30
- December 2 – Prabhakar Thokal, Indian cartoonist (d. 1999)
- December 3
- December 4 – Rafael Sánchez Ferlosio, Spanish writer
- December 5
- December 6 – Marcel Pelletier, Canadian ice hockey player (d. 2017)
- December 7 – Helen Watts, Welsh contralto (d. 2009)
- December 8 – Vladimir Shatalov, Russian cosmonaut
- December 9 – Pierre Henry, French composer (d. 2017)
- December 10 – Bob Farrell, American motivational speaker, author, and founder of Farrell's Ice Cream Parlour and Restaurant (d. 2015)
- December 11 – Stein Eriksen, Norwegian Olympic skier (d. 2015)
- December 12 – Robert Noyce, American co-founder of Intel (d. 1990)
- December 13 – James Wright, American poet (d. 1980)
- December 18
- December 20
- December 23 – Alexander Vedernikov, Russian singer, teacher (d. 2018)
- December 24 – Mary Higgins Clark, American novelist
- December 25
- December 26
- December 27
- December 28 – Edward Babiuch, Polish Communist politician
- December 29
- December 30
- December 31 – NOF4, Italian painter, graffiti artist (d. 1994)
- Viola Myers, Canadian athlete
- January 9 – Houston Stewart Chamberlain, English-German author (b. 1855)
- January 19 – Empress Carlota of Mexico (b. 1840)
- January 21 – Sir Charles Warren, British police officer, archeologist (b. 1840)
- February 4 – Janko Vukotić, Montenegrin general (b. 1866)
- February 13 – Brooks Adams, American historian (b. 1848)
- February 16 – Carl Theodore Vogelgesang, American admiral (b. 1869)
- February 19
- February 26
- March 4
- March 11 – Xenophon Stratigos, Greek general (b. 1869)
- March 14 – Jānis Čakste, Latvian politician, first president of Latvian Republic (b. 1859)
- March 17 – Charles Emmett Mack, American actor (b. 1900)
- March 22 – Templin Potts, American naval officer; 11th Naval Governor of Guam (b. 1855)
- March 23 – Paul César Helleu, French artist (b. 1859)
- March 25 – Marie-Alphonsine Danil Ghattas, Palestinian Catholic nun, canonized (b. 1843)
- March 27 – Joe Start, American baseball player (b. 1842)
- April 15 – Gaston Leroux, French journalist, author (b. 1868)
- April 20 – Enrique Simonet, Spanish painter (b. 1866)
- April 25 – Earle Williams, American actor (b. 1880)
- April 26 – Noel Guy Davis, American naval officer, aviator (b. 1891)
- April 26 – Stanton Hall Wooster, American naval officer, aviator (b. 1895)
- April 28 – Li Dazhao, Chinese intellectual, co-founder of the Communist Party of China (b. 1888; executed)
- May 2 – Ernest Starling, English physiologist (b. 1866)
- May 3 – Ernest Ball, American singer, songwriter (b. 1878)
- May 8
- May 11 – Juan Gris, Spanish sculptor, painter (b. 1887)
- May 23 – Henry E. Huntington, American railroad magnate (b. 1850)
- May 25 – Henri Hubert, French archaeologist, sociologist (b. 1872)
- June 1
- June 4 – Robert McKim, American actor (b. 1886)
- June 9 – Victoria Woodhull, American feminist, spiritualist and first woman to ever run for U.S. President (b. 1838)
- June 11 – William Attewell, English cricketer (b. 1861)
- June 14 – Jerome K. Jerome, English writer (b. 1859)
- July 5
- July 8 – Max Hoffmann, German general (b. 1869)
- July 9 – John Drew, Jr., American stage actor (b. 1853)
- July 17 – Harriet Earhart Monroe, American lecturer, educator, writer, producer (b. 1842)
- July 20 – King Ferdinand of Romania (b. 1865)
- July 24 – Ryūnosuke Akutagawa, Japanese poet, writer (b. 1892)
- July 26 – June Mathis, American screenwriter (b. 1889)
- August 7 – Leonard Wood, American general (b. 1860)
- August 13 – James Oliver Curwood, American novelist, conservationist (b. 1878)
- August 17 – Johannes Theodor Baargeld, German painter, poet (b. 1892)
- August 23
- August 24 – Manuel Díaz Rodríguez, Venezuelan writer (b. 1871)
- September 1 – Amelia Bingham, American stage actress (b. 1869)
- September 5
- September 6 – Lloyd W. Bertaud, American aviator (b. 1895)
- September 14
- September 19 – Michael Ancher, Danish painter (b. 1849)
- September 27 – Leopold Wharton, American film director (b. 1870)
- September 29 – Willem Einthoven, Dutch inventor, recipient of the Nobel Prize in Physiology or Medicine (b. 1860)
- September 30 – Charles Kilpatrick, American one-legged trick cyclist (b. 1869)
- October 2 – Svante Arrhenius, Swedish chemist, Nobel Prize laureate (b. 1859)
- October 5 – Sam Warner, Hollywood studio executive (b. 1887)
- October 10 – Gustave Whitehead, German-born aviation pioneer (b. 1874)
- October 16 – David Macpherson, Canadian-born American civil engineer (b. 1854)
- October 22
- November 1 – Florence Mills, American cabaret singer (b. 1896)
- November 4
- November 5 – Marceline Orbes, Spanish clown (b. 1873)
- November 11 – Wilhelm Johannsen, Danish botanist, physiologist and geneticist (b. 1857)
- November 18 – Emma Carus, American opera contralto, (b. 1879)
- November 23
- November 24 – Ion I. C. Brătianu, 5-time Prime Minister of Romania (b. 1864)
- December 17
- December 18 – Pandit Ram Prasad Bismil, Indian revolutionary, Hindustan Republican Association (b. 1897)
- December 19
- Utsu, T. R. (2002), "A List of Deadly Earthquakes in the World: 1500–2000", International Handbook of Earthquake & Engineering Seismology, Part A, Volume 81A (First ed.), Academic Press, p. 704, ISBN 978-0124406520
- "U.S. and British Warships Shell Cantonese Army". Miami Daily News. 1927-03-24. p. 1.
- "Sunbeam land speed engine restored". BBC News.
- Bryson, Bill (1 October 2013). One Summer: America, 1927. Knopf Doubleday Publishing Group. ISBN 978-0-385-53782-7.
- Charles J. Shindo. 1927 and the Rise of Modern America (University Press of Kansas; 244 pages; 2010).